弾塑性構造物の風応答性状ならびにその予測に関する研究 : その4 多質点系モデルへの展開

概要

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Wind-induced inelastic response characteristics and stochastic methods to predict those responses were reported in previous papers, Ref. [1], [2], [3]. One-mass system was used in those studies on assumptions that the first mode of structures is predominant in wind-induced motion and the change of the mode shape is negligible after yielding of the structural frame or hysteretic dampers. Applying stochastic methods proposed for one-mass system to practical buildings, it must be studied on effects of higher mode motion and on concentration into weak stories concerning excess deformation and hysteretic damping energy. In this paper, first, response characteristics of inelastic multi-mass system are described through results of time history response analysis. Next, for the multi-mass system, a stochastic method to predict inelastic response of each story is proposed by extending the previous method for one-mass system.
社団法人日本建築学会の論文
1997-09-30